Class: InspecPlugins::Artifact::Base
- Inherits:
-
Object
- Object
- InspecPlugins::Artifact::Base
show all
- Includes:
- Inspec::Dist
- Defined in:
- lib/plugins/inspec-artifact/lib/inspec-artifact/base.rb
Constant Summary
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- KEY_BITS =
2048
- KEY_ALG =
OpenSSL::PKey::RSA
- INSPEC_PROFILE_VERSION_1 =
"INSPEC-PROFILE-1".freeze
- INSPEC_REPORT_VERSION_1 =
"INSPEC-REPORT-1".freeze
- ARTIFACT_DIGEST =
OpenSSL::Digest::SHA512
- ARTIFACT_DIGEST_NAME =
"SHA512".freeze
- VALID_PROFILE_VERSIONS =
Set.new [INSPEC_PROFILE_VERSION_1]
- VALID_PROFILE_DIGESTS =
Set.new [ARTIFACT_DIGEST_NAME]
- SIGNED_PROFILE_SUFFIX =
"iaf".freeze
- SIGNED_REPORT_SUFFIX =
"iar".freeze
Inspec::Dist::AUTOMATE_PRODUCT_NAME, Inspec::Dist::COMPLIANCE_PRODUCT_NAME, Inspec::Dist::EXEC_NAME, Inspec::Dist::PRODUCT_NAME, Inspec::Dist::SERVER_PRODUCT_NAME
Class Method Summary
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Instance Method Summary
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Class Method Details
.keygen(options) ⇒ Object
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# File 'lib/plugins/inspec-artifact/lib/inspec-artifact/base.rb', line 29
def self.keygen(options)
key = KEY_ALG.new KEY_BITS
puts "Generating private key"
open "#{options["keyname"]}.pem.key", "w" do |io|
io.write key.to_pem
end
puts "Generating public key"
open "#{options["keyname"]}.pem.pub", "w" do |io|
io.write key.public_key.to_pem
end
end
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.profile_install(options) ⇒ Object
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# File 'lib/plugins/inspec-artifact/lib/inspec-artifact/base.rb', line 77
def self.profile_install(options)
artifact = new
puts "Installing profile"
file_to_verifiy = options["infile"]
dest_dir = options["destdir"]
artifact.verify(file_to_verifiy) do |content|
Dir.mktmpdir do |workdir|
tmpfile = Pathname.new(workdir).join("artifact_to_install.tar.gz")
File.write(tmpfile, content)
puts "Installing to #{dest_dir}"
`tar xzf #{tmpfile} -C #{dest_dir}`
end
end
end
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.profile_sign(options) ⇒ Object
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# File 'lib/plugins/inspec-artifact/lib/inspec-artifact/base.rb', line 41
def self.profile_sign(options)
artifact = new
Dir.mktmpdir do |workdir|
puts "Signing #{options["profile"]} with key #{options["keyname"]}"
path_to_profile = options["profile"]
profile_md = artifact.read_profile_metadata(path_to_profile)
artifact_filename = "#{profile_md["name"]}-#{profile_md["version"]}.#{SIGNED_PROFILE_SUFFIX}"
tarfile = artifact.profile_compress(path_to_profile, profile_md, workdir)
content = IO.binread(tarfile)
signing_key = KEY_ALG.new File.read "#{options["keyname"]}.pem.key"
sha = ARTIFACT_DIGEST.new
signature = signing_key.sign sha, content
signature_base64 = Base64.encode64(signature)
tar_content = IO.binread(tarfile)
File.open(artifact_filename, "wb") do |f|
f.puts(INSPEC_PROFILE_VERSION_1)
f.puts(options["keyname"])
f.puts(ARTIFACT_DIGEST_NAME)
f.puts(signature_base64)
f.puts("") f.write(tar_content)
end
puts "Successfully generated #{artifact_filename}"
end
end
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.profile_verify(options) ⇒ Object
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# File 'lib/plugins/inspec-artifact/lib/inspec-artifact/base.rb', line 68
def self.profile_verify(options)
artifact = new
file_to_verifiy = options["infile"]
puts "Verifying #{file_to_verifiy}"
artifact.verify(file_to_verifiy) do ||
puts "Artifact is valid"
end
end
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Instance Method Details
#profile_compress(path_to_profile, profile_md, workdir) ⇒ Object
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# File 'lib/plugins/inspec-artifact/lib/inspec-artifact/base.rb', line 118
def profile_compress(path_to_profile, profile_md, workdir)
profile_name = profile_md["name"]
profile_version = profile_md["version"]
outfile_name = "#{workdir}/#{profile_name}-#{profile_version}.tar.gz"
`tar czf #{outfile_name} -C #{path_to_profile} .`
outfile_name
end
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# File 'lib/plugins/inspec-artifact/lib/inspec-artifact/base.rb', line 92
def read_profile_metadata(path_to_profile)
begin
p = Pathname.new(path_to_profile)
p = p.join("inspec.yml")
unless p.exist?
raise "#{path_to_profile} doesn't appear to be a valid #{PRODUCT_NAME} profile"
end
yaml = YAML.load_file(p.to_s)
yaml = yaml.to_hash
unless yaml.key? "name"
raise "Profile is invalid, name is not defined"
end
unless yaml.key? "version"
raise "Profile is invalid, version is not defined"
end
rescue => e
raise "Error reading #{PRODUCT_NAME} profile metadata: #{e}"
end
yaml
end
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# File 'lib/plugins/inspec-artifact/lib/inspec-artifact/base.rb', line 126
def (file_alg, file_version, file_keyname)
public_keyfile = "#{file_keyname}.pem.pub"
puts "Looking for #{public_keyfile} to verify artifact"
unless File.exist? public_keyfile
raise "Can't find #{public_keyfile}"
end
raise "Invalid artifact digest algorithm detected" unless VALID_PROFILE_DIGESTS.member?(file_alg)
raise "Invalid artifact version detected" unless VALID_PROFILE_VERSIONS.member?(file_version)
end
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#verify(file_to_verifiy, &content_block) ⇒ Object
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# File 'lib/plugins/inspec-artifact/lib/inspec-artifact/base.rb', line 137
def verify(file_to_verifiy, &content_block)
f = File.open(file_to_verifiy, "r")
file_version = f.readline.strip!
file_keyname = f.readline.strip!
file_alg = f.readline.strip!
file_sig = ""
while (line = f.readline) != "\n"
file_sig += line
end
file_sig.strip!
f.close
(file_alg, file_version, file_keyname)
public_keyfile = "#{file_keyname}.pem.pub"
verification_key = KEY_ALG.new File.read public_keyfile
f = File.open(file_to_verifiy, "r")
while f.readline != "\n" do end
content = f.read
signature = Base64.decode64(file_sig)
digest = ARTIFACT_DIGEST.new
if verification_key.verify digest, signature, content
content_block.yield(content)
else
raise "Artifact is invalid"
end
end
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